When preparing for a Power BI interview, you should be ready to answer questions that assess your practical experience, understanding of Power BI’s features, and ability to solve real-world business problems using Power BI. Here are some key questions you might encounter, along with tips on how to answer them: 1. Can you describe a Power BI project you worked on? What was your role?    - Tip: Provide a detailed overview of the project, including the business problem, your role in the project, the data sources used, key metrics tracked, and the overall impact of the project. Focus on how you contributed to the project’s success. 2. How do you approach designing a dashboard in Power BI?    - Tip: Explain your process, from understanding the user’s requirements to planning the layout, choosing appropriate visuals, ensuring data accuracy, and focusing on user experience. Mention how you ensure the dashboard is both insightful and easy to use. 3. What are the challenges you’ve faced while working on Power BI projects, and how did you overcome them?    - Tip: Discuss specific challenges like data integration issues, performance optimization, or dealing with complex DAX calculations. Emphasize how you identified the issue and the steps you took to resolve it. 4. How do you manage large datasets in Power BI to ensure optimal performance?    - Tip: Talk about techniques like using DirectQuery, aggregations, optimizing data models, using measures instead of calculated columns, and leveraging Power BI’s performance analyzer to optimize the performance of reports. 5. How do you handle data security in Power BI?    - Tip: Discuss your experience with implementing row-level security (RLS), managing permissions, and ensuring sensitive data is protected. Mention any experience you have with setting up role-based access controls. 6. Can you explain how you use DAX in Power BI to create complex calculations?    - Tip: Provide examples of DAX formulas you’ve written to solve specific business problems. Discuss the logic behind the calculations and how they were used in your reports or dashboards. 7. How do you integrate Power BI with other tools or systems?    - Tip: Talk about your experience integrating Power BI with databases (like SQL Server), Excel, SharePoint, or using APIs to pull in data. Also, mention how you might export data or reports to other tools like Excel or PowerPoint. 8. Describe a situation where you used Power BI to provide insights that led to a significant business decision.    - Tip: Share a specific example where your Power BI report or dashboard uncovered insights that impacted the business. Focus on the outcome and how your analysis influenced the decision-making process. 9. How do you stay updated with new features and updates in Power BI?    - Tip: Mention resources you use like Microsoft’s Power BI blog, community forums, attending webinars, or taking courses. Emphasize the importance of continuous learning in your role. 10. What is your approach to troubleshooting a Power BI report that isn’t working as expected?    - Tip: Describe a systematic approach to identifying the root cause, whether it’s related to data refresh issues, incorrect DAX formulas, or visualization problems. 11. Can you walk us through how you set up and manage Power BI dataflows?    - Tip: Explain the process of creating dataflows, how you configure them to transform and clean data, and how they help in centralizing and reusing data across multiple reports. 13. How do you handle version control and collaboration in Power BI?    - Tip: Discuss how you use tools like OneDrive, SharePoint, or Power BI Service for version control, and how you collaborate with other team members on reports and dashboards. I have curated the best interview resources to learn Power BI 👇👇 https://t.me/PowerBI_analyst Hope you'll like it Like this post if you need more content like this 👍❤️ Share with credits: https://t.me/sqlspecialist Hope it helps :)